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Definitions

undirected

[uhn-di-rek-tid, -dahy-] / ˌʌn dɪˈrɛk tɪd, -daɪ- /
ADJECTIVE
aimless
Synonyms
STRONGEST
desultory erratic frivolous haphazard indiscriminate pointless random
WEAK
accidental any which way bits and pieces blind capricious careless casual chance directionless drifting fanciful fickle fits and starts flighty fortuitous goalless heedless hit-or-miss indecisive irresolute objectless purposeless shiftless stray thoughtless unavailing unguided unplanned unpredictable vagrant wandering wanton wayward
Antonyms
STRONGEST
definite methodical particular sensible specific systematic
WEAK
determined directed goal-oriented motivated pointed purposeful resolute
ADJECTIVE
erratic
Synonyms
STRONGEST
abnormal arbitrary bizarre capricious eccentric inconsistent irregular mercurial uncertain unreliable unstable unusual volatile wayward weird whimsical
WEAK
aberrant anomalous changeable desultory devious dicey directionless dubious fitful flaky fluctuant idiosyncratic iffy incalculable inconstant meandering nomadic oddball peculiar planetary rambling roving shifting spasmodic strange stray unnatural vagarious variable
Antonyms
STRONGEST
calm common normal reasonable regular sensible stable standard steadfast steady unchanging usual
WEAK
certain consistent definite dependable predictable reliable sure
ADJECTIVE
purposeless
Synonyms
WEAK
aimless designless desultory drifting empty feckless floundering fustian goalless good-for-nothing haphazard hit-or-miss indiscriminate irregular meaningless motiveless needless nonsensical pointless purportless random senseless uncalled for unhelpful unnecessary unplanned unprofitable unpurposed vacuous wanton worthless
Antonyms
WEAK
decided deliberate determined planned purposeful significant useful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Charles Darwin, with his ideas of undirected variation and natural selection, described what was really happening.

From The Wall Street Journal • Mar. 20, 2026

Furthermore, binary undirected graphs constructed to represent the connectivity between EEG channels showed that the neural network was more densely connected in strangers than in acquaintances.

From Science Daily • Apr. 23, 2024

The emotional valence of this room-size grid of images is one of nervousness, fretfulness, restless, undirected energy and dissonance.

From Washington Post • Apr. 5, 2019

That said, it’s a mess of a book, fuzzy, disorganized, and maddeningly undirected.

From The New Yorker • Mar. 7, 2016

And this I would fight for: the freedom of the mind to take any direction it wishes, undirected.

From "East of Eden" by John Steinbeck